2.2.4.2.2 Enable Rate Definition

Output enable rate is the average percentage of time during which tristate outputs are enabled. When non-tristate output buffers are used, the enable rate should be 100%.

Table 2-17. Toggle Rate Guidelines Recommended for Power Calculation
ComponentDefinitionGuideline
1Toggle rate of VersaTile outputs10%
2I/O buffer toggle rate10%
Table 2-18. Enable Rate Guidelines Recommended for Power Calculation
ComponentDefinitionGuideline
β1I/O output buffer enable rateToggle rate of the logic driving the output buffer
β2FPGA fabric SRAM enable rate for read operations12.5%
β3FPGA fabric SRAM enable rate for write operations12.5%
β4eNVM enable rate for read operations< 5%